#include <stdio.h>
int x;
void mondai1(int b){
	x=b;
}
void mondai2(void){
	static int c = 10;
	x=c;
	c++;
}
int mondai3 (int d){
	x++;
	d++;
	return d;
}
int main(void) {
	// your code goes here
	printf("x=%d\n",x);
	x=101;
	printf("x=%d\n",x);
	mondai1(102);
	printf("x=%d\n",x);
	mondai2();
	mondai2();
	mondai2();
	printf("x=%d\n",x);
	for(int i=103;i<104;i++){
		int x=i;
		printf("x=%d\n",x);
		x=mondai3(i);
		printf("x=%d\n",x);
	}
	printf("x=%d\n",x);
	return 0;
}
 

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