#include <stdio.h>

int main() {
    int a;
    a = 10;
    int b = 20;
    printf("%d\n",a);
    printf("%d %d", a, b);
    printf("%d %d %d\n", 100, 20, 5);

    const int year = 2026;
    //year = 2027
    printf("%d\n", year);

    float c = 10.10;
    printf("%.1f\n", c);
    printf("%f %f %f\n", 10.2, 4.3, 1.1);
    printf("%d - %d = %d\n", 10, 5, 10-5);

    char d ='A';
    printf("%c\n", d);

    char str[10] = "ABC";
    printf("%s", str);
}