View Compilation Error

0_0_16736812_8168.cpp: In function 'int main()':
0_0_16736812_8168.cpp:12:26: error: invalid operands of types 'const char [9]' and 'int' to binary 'operator&'
         scanf("%d%d%d%d"&n,&m,&P,&q);
                          ^
0_0_16736812_8168.cpp:12:32: error: 'P' was not declared in this scope
         scanf("%d%d%d%d"&n,&m,&P,&q);
                                ^