#include <stdio.h>

char s[1][3]={"abo"};
char t[3][1]={"b","c","a"};

int main(){
    int i,j;
    int count=0;
    for(i=0;i<3;i++){
        for(j=0;j<3;j++){
            if(s[0][i]==t[j][0]){
                printf("%c ",s[0][i]);
                count++;
            }
        }
    }
    if(count==0){
        printf("*not match*");
    }
    printf("\n");
    return 0;
}