diff --git a/main.c b/main.c
new file mode 100644
index 0000000..e1347fc
--- /dev/null
+++ b/main.c
@@ -0,0 +1,23 @@
+#include <stdio.h>
+#include "stdlib.h"
+int main() {
+    char* prve_cislo = malloc(100* sizeof(char));
+    char* druhe_cislo = malloc(100* sizeof(char));
+    fgets(prve_cislo,100,stdin);
+    int cislo1 = strtof(prve_cislo,NULL);
+    int cislo2;
+    while((fgets(druhe_cislo,100,stdin))){
+        cislo2= strtof(druhe_cislo,NULL);
+        while (cislo1 != cislo2){
+            if (cislo1 > cislo2){
+                cislo1 -= cislo2;
+            } else{
+                cislo2 -= cislo1;
+            }
+        }
+
+        printf("%d",cislo1);
+    }
+
+   free(prve_cislo);
+}
\ No newline at end of file