diff --git a/kodmorsa.cpp b/kodmorsa.cpp
new file mode 100644
index 0000000..e9d6094
--- /dev/null
+++ b/kodmorsa.cpp
@@ -0,0 +1,219 @@
+#include <iostream>
+using namespace std;
+void kodowanie(char znak){
+    switch (znak)
+    {
+    case 'A':
+    cout <<"_. ";
+        break;
+
+    case 'a':
+    cout <<"_. ";
+        break;
+                
+    case 'B':
+    cout <<"_... ";
+        break;
+                
+    case 'b':
+    cout <<"_... ";
+        break;
+                
+    case 'C':
+    cout << "_._. ";
+        break;
+
+    case 'c':
+    cout << "_._. ";
+        break;
+                
+    case 'D':
+    cout <<"_.. ";
+        break;
+
+    case 'd':
+    cout <<"_.. ";
+        break;
+                
+    case 'E':
+    cout <<". ";
+        break;
+                
+    case 'e':
+    cout <<". ";
+        break;
+                
+    case 'F':
+    cout << ".._. ";
+        break;
+                
+    case 'f':
+    cout << ".._. ";
+        break;
+                
+    case 'G':
+    cout << "__. ";
+        break;
+                
+    case 'g':
+    cout << "__. ";
+        break;
+                
+    case 'H':
+    cout << ".... ";
+        break;
+                
+    case 'h':
+    cout << ".... ";
+        break;
+                
+    case 'I':
+    cout << ".. ";
+        break;
+                
+    case 'i':
+    cout << ".. ";
+        break;
+                
+    case 'J':
+    cout << ".___ ";
+        break;
+                
+    case 'j':
+    cout << ".___ ";
+        break;
+                
+    case 'K':
+    cout << "_._ ";
+        break;
+                
+    case 'k':
+    cout << "_._ ";
+        break;
+                
+    case 'L':
+    cout <<"._.. ";
+        break;
+                
+    case 'l':
+    cout <<"._.. ";
+        break;
+                
+    case 'M':
+    cout << "__ ";
+        break;
+                
+    case 'm':
+    cout << "__ ";
+        break;
+                
+    case 'N':
+    cout << "_. ";
+        break;
+                
+    case 'n':
+    cout << "_. ";
+        break;
+                
+    case 'O':
+    cout << "___ ";
+        break;
+                
+    case 'o':
+    cout << "___ ";
+        break;
+                
+    case 'P':
+    cout << ".__. ";
+        break;
+                
+    case 'p':
+    cout << ".__. ";
+        break;
+                
+    case 'R':
+    cout << "._. ";
+        break;
+                
+    case 'r':
+    cout << "._. ";
+        break;
+                
+    case 'S':
+    cout << "... ";
+        break;
+                
+    case 's':
+    cout << "... ";
+        break;
+                
+    case 'T':
+    cout <<"- ";
+        break;
+                
+    case 't':
+    cout <<"- ";
+        break;
+                
+    case 'U':
+    cout << ".._ ";
+        break;
+                
+    case 'u':
+    cout << ".._ ";
+        break;
+    
+    case 'V':
+    cout << "..._ ";
+        break;
+    
+    case 'v':
+    cout << "..._ ";
+        break;
+
+    case 'W':
+    cout << ".__ ";
+        break;
+                
+    case 'w':
+    cout << ".__ ";
+        break;
+                
+    case 'X':
+    cout << "_.._ ";
+        break;
+                
+    case 'x':
+    cout << "_.._ ";
+        break;
+                
+    case 'Y':
+    cout << "_.__ ";
+        break;
+                
+    case 'y':
+    cout << "_.__ ";
+        break;
+                
+    case 'Z':
+    cout << "__.. ";
+        break;
+                
+    case 'z':
+    cout << "__.. ";
+        break;
+                
+    
+    default:
+        cout <<"  ";
+        break;
+    }
+}
+int main(){
+    string napis_wejsciowy;
+    cout << "Podaj napis: ";
+    cin >> napis_wejsciowy;
+    for(char znak: napis_wejsciowy){
+        kodowanie(znak);
+    }
+}
\ No newline at end of file
diff --git a/zadanie4.txt b/zadanie4.txt
new file mode 100644
index 0000000..ec3ac9a
--- /dev/null
+++ b/zadanie4.txt
@@ -0,0 +1,23 @@
+Czerwony CMYK(0%,100%,100%,0%)
+
+Zielony CMYK(100%,0%,100%,50%)
+
+Żółty CMYK(0%,0%,100%,0%)
+
+Turkusowy CMYK(71%,0%,7%,12%)
+
+Seledynowy CMYK(24%,0%,22%,12%)
+
+Burgund CMYK(0%,98%,99%,62%)
+
+Ecru CMYK(0%,0%,10%,4%)
+
+Beżowy CMYK(0%,14%,35%,15%)
+
+Akwamaryn CMYK((50%,0%,17%,0%)
+
+Granatowy CMYK(100%,100%,0%,50%)
+
+Szkarłatny CMYK(0%,90%,90%,32%)
+
+Pudrowy róż CMYK(0%,15%,9%,5%)
\ No newline at end of file