Trace the following code and show all the output from the program. void func1(int); void func2(int = 4, int = 5, int = 2);   int main() {             int x = 3, z = 0, y = 2;             func1(y);             cout << y << endl;             func2(x, y, z);             func2();             func1(x);             cout << x << "  " << y << "  " << z << endl;             return 0; } void func1(int b) {             static int a = 1;             a += b;             cout << "In Func1 a = " << a << endl; }   void func2(int a, int b, int c) {             b++;             c--;             a = b + c;             cout << a << "   " << b << "   " << c << endl; }

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