wrote most of report

programs/prog4.c

@@ -0,0 +1,11 @@
+#include <stdio.h>
+
+int main(void) {
+    int y = 2007;
+    int m = 8;
+    int d = 7;
+
+    printf("柴田健琉の生年月日の和は%dです。\n", y+m+d);
+
+    return 0;
+}