From 8677defd3fc18afc3f05ec6e7df15b47d959fce6 Mon Sep 17 00:00:00 2001
From: Yaroslav Orlianskyi <yo342sm@omega.tuke.sk>
Date: Sun, 20 Feb 2022 13:26:50 +0100
Subject: [PATCH] 123

---
 du1/program.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/du1/program.c b/du1/program.c
index 50e41c6..0a94a8b 100644
--- a/du1/program.c
+++ b/du1/program.c
@@ -2,9 +2,19 @@
 
 int main(){
 	int c = 1;
-	printf("Enter your text\n");
+	char small[] = "abcdefghijklmnopqrstuvwxyz";
+	char big[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 	while(c = 1){
 		c = getchar();
+		for(int i = 0; i < 26; i++){
+			if(c == small[i]){
+				c = big[i];
+				break;
+			}else if(c == big[i]){
+				c = small[i];
+				break;
+			}
+		}
 	}
 	return 0;
 }