#pragma GCC optimize("Ofast")
#pragma GCC target("avx2")

char*mmap();
#define RD(v) int v=0;{int _c;while(_c=*rp++-48,_c>=0)v=v*10+_c;}

char buf[8*2*200000];
int h[200001];

#define WTSP(v) {long _z=v,_n=1,_d=32;while(++_n,_d=_d<<8|0x30|_z&15,_z>>=4);*(long*)wp=_d;wp+=_n;}
#define WTLN(v) {long _z=v,_n=1,_d=10;while(++_n,_d=_d<<8|0x30|_z&15,_z>>=4);*(long*)wp=_d;wp+=_n;}

main(){
	char*rp=mmap(0l,7l*200002,1,2,0,0ll);
	while(*rp++!=32);
	RD(m);
	do{
		RD(l);
		int x=h[l];
		int y=x&x>>3;
		x+=y&1?y&0x10?y&0x100?y&0x1000?y&0x10000?0x66667:0x6667:0x667:0x67:7:1;
		h[l]=x;
	}while(*rp);
	char*wp=buf;
	int z=0;
	for(int i=0;++i<=m;){
		int y=z&z>>3;
		z+=y&1?y&0x10?y&0x100?y&0x1000?y&0x10000?0x66667:0x6667:0x667:0x67:7:1;
		WTSP(z);
		WTLN(h[i]);
	}
	write(1,buf,(wp-buf)*sizeof*buf);
	_exit(0);
}