#include <stdio.h> #include <string.h> int main() { char str[100]={0}; int i=0; while (scanf("%s", str) != EOF) { for(i=0;i<strlen>= 'A' && str[i] <= 'Z') str[i] = str[i] + 33; else if(str[i] >= 'a' && str[i] <= 'z') str[i] = '2' + (str[i] - 'a') / 3; } printf("%s\n", str); } return 0; }</strlen></string.h></stdio.h>