From f12668a0cabe8575287e4c22d00ffe20b8e34045 Mon Sep 17 00:00:00 2001
From: Pavlo Tverdyi <pt729wz@omega.tuke.sk>
Date: Sat, 29 Feb 2020 18:23:39 +0100
Subject: [PATCH] 111

---
 du1/program.c | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 du1/program.c

diff --git a/du1/program.c b/du1/program.c
new file mode 100644
index 0000000..a0b39e7
--- /dev/null
+++ b/du1/program.c
@@ -0,0 +1,28 @@
+nclude <stdlib.h>
+#include <stdio.h>
+#include <ctype.h>
+
+int main()
+{   
+    char simb;
+    int riad=0;
+    while(1){
+    simb=getchar();
+    if(islower(simb)){
+        simb-=32;
+    }
+    else if (isupper(simb)){
+        simb+=32;
+    }
+    else if(simb==EOF){
+        break;    
+    }
+    putchar(simb);
+    if(simb=='\n'){
+    riad++;
+    }
+    }
+    printf("%d",riad);
+    return 0;
+}
+