#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;}

#define WTHI(v) {long _z=v,_n=0,_d=0;while(++_n,_d=_d<<8|0x30|_z%10,_z/=10);*(long*)wp=_d;wp+=_n;}
#define WTLO(v) {long _z=v,_n=8,_d=0;while(_d=_d<<8|0x30|_z%10,_z/=10,--_n);*(long*)wp=_d;wp+=8;}
#define wt(v) WTHI(v)

#define rep(v,e) for(int v=0;v<e;++v)
#define rrep(v,e) for(int v=e;v--;)
#define chmax(v,a) (v=v>=a?v:a)

d[200000];

main(){
	char*rp=mmap(0l,1l<<28,1,2,0,0ll);

	int m=1;
	rd(n);
	while(n--){
		rd(v);
		rd(w);
		rrep(j,m){
			chmax(d[j+w],d[j]+v);
		}
		m+=w;
	}
	rd(v);
	int a1=1,a2=m;
	for(int j=m;--j;){
		d[j]>v ? a2=j : d[j]==v ? a1=j : 0;
	}

	char wbuf[32],*wp=wbuf;
	wt(a1);
	*wp++=10;
	if(a2<m){
		wt(a2-1);
	}else{
		*wp++='i';
		*wp++='n';
		*wp++='f';
	}
	*wp++=10;
	write(1,wbuf,wp-wbuf);
	_exit(0);
}