include<stdio.h>

include<string.h>

int main()

{ char a[100];

int b;

scanf("%d",&b);

getchar();

• scanf("%s",a);
• int i;
• for (i=0;i<strlen(a);i++)

• {a[i]=a[i]-96;

  • a[i]=(a[i]+b%26)%26;
• printf("%c",a[i]+96);
• }

}