#include <stdio.h>
#include <stdlib.h>
int x=3, y=4;
void Fun_1()
{
}
void Fun_2(int y)
{
y++;
}
void Fun_3(int *x)
{*x+=2;
}
int Fun_4(int a, int y)
{
return x+y;
}
int main()
{
int a=5, y=6;
x=7;
Fun_1();
Fun_2(x);
Fun_3(&a);
return 0;
}
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