#include <stdio.h>

int main() {
    int a, b, c, d;
    scanf("%d", &a);
    a = a * 10;
    printf("a=%d, b=%d, c=%d, d=%d\n", a, b, c, d);
    a *= 10;
    printf("a=%d, b=%d, c=%d, d=%d\n", a, b, c, d);
    b = a++ + 25; // a=300 -> 301(후위), b=300+25=325
    printf("a=%d, b=%d, c=%d, d=%d\n", a, b, c, d);
    c = ++b + a++ -32; // a=302(후위), b=326(전위), c = 326+301-32=595
    printf("a=%d, b=%d, c=%d, d=%d\n", a, b, c, d);
    d = c-- + 5 * b; // b=326, c=594(후위), d=595+5*326=2225
    printf("a=%d, b=%d, c=%d, d=%d\n", a, b, c, d);
    a = b++; // a=326, b=327(후위)
    printf("a=%d, b=%d, c=%d, d=%d\n", a, b, c, d);
    c = ++a; // a=327(전위), c=327
    printf("a=%d, b=%d, c=%d, d=%d\n", a, b, c, d);
    {
        float t = 0.0;
        int a = 4;
        int b = 7;
        char c;
        /*
        float c = 4.0;
        int d = 0;
        t = (float)b/a;
        printf("t=%f\n", t);
        t = b/c;
        printf("t=%f\n", t);
        t = (float)(b/a);
        printf("t=%f\n", t);
        printf("a=%d\n", a);
        d = b % a;
        printf("d=%d\n", d);
        */
        a = 1021;
        c = a;
        printf("a=%d, c=%d\n", a, c);

        { // 나머지 구하기
            int a = 3;
            int b = 8;
            float c = ((float) a / b) * 100 - a/b*100;
            int d = (int)(c*b/100);
            printf("a=%d, b=%d, c=%f, d=%d\n", a, b, c, d);
            printf("a%%b=%d, %d\n", d, a%b);
        }
        
    }
    printf("a=%d\n", a);
    

    return 0;
}