#include <studio.h>
Int main(void)
{
    Int value1=10;
    Int value2=20;
    Printf("1:value1 %d\n",value1);
    Printf("2:value2 %d\n",value2);
    {
        Int value1;
        Value1=30;
        Value2=40;
        Printf("2:value1 %d\n",value1);
        Printf("2:value2 %d\n",value2);
    }
    Printf("3:value1 %d\n",value1);
    Printf("3:value2 %d\n",value2);
    Return0;
}