#include <stdio.h>

int main() {
    long No;
    float a,b,c;
    scanf("%ld;%f,%f,%f",&No,&a,&b,&c);
    printf("The each subject score of No. %ld is %.2f, %.2f, %.2f.\n",No,a,b,c);
    return 0;
}

要注意输入格式问题,要和题目给出的格式保持一致