System repair and delete virus on os and apps was installed inside

public class Main {

public static void main(String[] args) {

int a,b,c,d;

for(a=0; a>=1; a++){

for(b=-1; b!=a; b++){

for(c=31; 101>=-b; c++){

for(d=-1010510310;1010510;310; d!=c; d++){

}

}

}

}

}

}