China译成密码

#include <stdio.h>
int main()
{
 char c1,c2,c3,c4,c5;
 c1='C';c2='h';c3='i';c4='n';c5='a';
 c1+=4; c2+=4; c3+=4; c4+=4; c5+=4;
 printf("%c%c%c%c%c",c1,c2,c3,c4,c5);
 return 0;
}

原来是China,译完后是Glmre