#include <stdio.h>
int add(int a, int b);
void add2(int a, int b);
int minus();
void print();
int main() {
printf("%d\n",add(1,2));
add2(5,995);
printf("%d\n", minus());
print();
}
int add(int a, int b){
int c = a + b;
return c;
}
void add2(int a, int b){
printf("%d\n", a+b);
}
int minus(){
int a = 100;
int b = 2000;
return b - a;
}
void print(){
printf("이끼낀조약돌반블록\n");
printf("이끼낀조약돌계단\n");
}
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