#include <stdio.h>
int main () {
    float bj=1000,r1=0.23,r2=0.322,r3=0.423,p1,p2,p3;
    p1=bj*(1+r1);
    p2=bj*(1+r2);
    p3=bj*(1+r3/2)*(1+r3/2);
    printf("本金和利息分别为\n%f，\n%f，\n%f", p1,p2,p3);
    return 0;
}