문자shift

#include<stdio.h>
char s[100];
int main()
{ 
	int n,m,i;
	scanf("%d ",&n);
	scanf("%d ",&m);
 
	for(i=0; i<n; i++)
		scanf("%c", &s[i]);
	
	for(i=0; i<n; i++){
		if(s[i]>=97)
			printf("%c",(((s[i]-97)+m)%26)+97);
		else
			printf("%c",(((s[i]-65)+m)%26)+65);
	}
	printf("\n");
}
/*
5
3
aDeHz
dGhKc

--------------------------------
Process exited after 12.52 seconds with return value 10
계속하려면 아무 키나 누르십시오 . . .
*/