#include <iostream>
#include <stdio.h>
#include <string.h>

using namespace std;

void checkData(char * cashData,char * inputData)
{
    int startNum,endNum;
    scanf("%d %d",&startNum,&endNum);
//    cout<<"cashData[endNum]:"<<(int)cashData[endNum]<<" cashData[startNum]:"<<(int)cashData[startNum]<<endl;
    if(inputData[endNum] != inputData[startNum])
       goto NO;  
    if(0 == (cashData[endNum] - cashData[startNum]))
       goto YES;
    if((cashData[endNum] - cashData[startNum]) == (endNum-startNum))
       goto YES;
NO:
    cout<<"No"<<endl;
    return;
YES:
    cout<<"Yes"<<endl;
    return;    
}

int main()
{    
    int caseNum = 0;
    int length = 0;
    int sum = 0;
    char inputData[1000001] = {0};
    char cashData[1000000] = {0};
    scanf("%s",inputData);
    length = strlen(inputData);
    for(int i=0;i<length;i++) {
        sum += (inputData[i]-0x30);
        cashData[i] = sum;
    }

    scanf("%d",&caseNum);
    for(int i=0;i<caseNum;i++)
        checkData(cashData,inputData);
    return 0;
}